. >> intelligence committee chair woman dianne feinstein had police remove the protesters after several rowdy disruptions. they're upset about the use of enhanced interrogation methods which they say is torture. they say the use of drone strikes on suspected terrorists is wrong. >> i think there's a misimpression on the part of some american people who believe we take strikes to punish terrorists for past france depressions. nothing could be farther from the truth. we only take such actions as a last resort to save lives when he there's no other alternative. >> 50 remote controlled drone strikes were carried out under president george bush. so far there have been 360 attacks under president obama. >> new details op a cable car accident in san francisco that sent seven people to the hospital this week. we know a bolt on the tracks brought that cable car to a grinding halt yesterday, but where did that mysterious bolt come from and why didn't the emergency system kick in before that cable carl hit the bolt? nbc bay area's joe rosa ta junior has the answers. >> san francisco's cable cars a